X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fep93xx.c;h=36fc7774717a8fd949bf494082b87c0ae484e5af;hp=c679b2164344f7c9ce5334a9049c6e01a3add4be;hb=f9056d222c401f782481d323206595eed17671cb;hpb=865efd828a267992db0f2a92a731c5ce23a34236 diff --git a/src/jtag/drivers/ep93xx.c b/src/jtag/drivers/ep93xx.c index c679b21643..36fc777471 100644 --- a/src/jtag/drivers/ep93xx.c +++ b/src/jtag/drivers/ep93xx.c @@ -13,15 +13,14 @@ * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * along with this program. If not, see . * ***************************************************************************/ + #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include "interface.h" +#include #include "bitbang.h" #define TDO_BIT 1 @@ -34,7 +33,7 @@ #include -static uint8_t output_value = 0x0; +static uint8_t output_value; static int dev_mem_fd; static void *gpio_controller; static volatile uint8_t *gpio_data_register; @@ -42,43 +41,38 @@ static volatile uint8_t *gpio_data_direction_register; /* low level command set */ -static int ep93xx_read(void); -static void ep93xx_write(int tck, int tms, int tdi); -static void ep93xx_reset(int trst, int srst); +static bb_value_t ep93xx_read(void); +static int ep93xx_write(int tck, int tms, int tdi); +static int ep93xx_reset(int trst, int srst); -static int ep93xx_speed(int speed); -static int ep93xx_register_commands(struct command_context *cmd_ctx); static int ep93xx_init(void); static int ep93xx_quit(void); struct timespec ep93xx_zzzz; -struct jtag_interface ep93xx_interface = -{ +struct jtag_interface ep93xx_interface = { .name = "ep93xx", + .supported = DEBUG_CAP_TMS_SEQ, .execute_queue = bitbang_execute_queue, - .speed = ep93xx_speed, - .register_commands = ep93xx_register_commands, .init = ep93xx_init, .quit = ep93xx_quit, }; -static struct bitbang_interface ep93xx_bitbang = -{ +static struct bitbang_interface ep93xx_bitbang = { .read = ep93xx_read, .write = ep93xx_write, .reset = ep93xx_reset, .blink = 0, }; -static int ep93xx_read(void) +static bb_value_t ep93xx_read(void) { - return !!(*gpio_data_register & TDO_BIT); + return (*gpio_data_register & TDO_BIT) ? BB_HIGH : BB_LOW; } -static void ep93xx_write(int tck, int tms, int tdi) +static int ep93xx_write(int tck, int tms, int tdi) { if (tck) output_value |= TCK_BIT; @@ -97,10 +91,12 @@ static void ep93xx_write(int tck, int tms, int tdi) *gpio_data_register = output_value; nanosleep(&ep93xx_zzzz, NULL); + + return ERROR_OK; } /* (1) assert or (0) deassert reset lines */ -static void ep93xx_reset(int trst, int srst) +static int ep93xx_reset(int trst, int srst) { if (trst == 0) output_value |= TRST_BIT; @@ -114,16 +110,6 @@ static void ep93xx_reset(int trst, int srst) *gpio_data_register = output_value; nanosleep(&ep93xx_zzzz, NULL); -} - -static int ep93xx_speed(int speed) -{ - - return ERROR_OK; -} - -static int ep93xx_register_commands(struct command_context *cmd_ctx) -{ return ERROR_OK; } @@ -202,8 +188,8 @@ static int ep93xx_init(void) gpio_data_register = gpio_controller + 0x08; gpio_data_direction_register = gpio_controller + 0x18; - LOG_INFO("gpio_data_register = %p\n", gpio_data_register); - LOG_INFO("gpio_data_direction_reg = %p\n", gpio_data_direction_register); + LOG_INFO("gpio_data_register = %p", gpio_data_register); + LOG_INFO("gpio_data_direction_reg = %p", gpio_data_direction_register); /* * Configure bit 0 (TDO) as an input, and bits 1-5 (TDI, TCK * TMS, TRST, SRST) as outputs. Drive TDI and TCK low, and